The author of Hebrews believed that he was living in the "last days." 1:1-2
Misquote of Jeremiah 31:32,
which says:
"Not according to the covenant that I made with their fathers in the day
that I took them by the hand to bring them out of the land of Egypt; which
my covenant they brake, although I was an husband unto them, saith the
LORD."
Jesus sacrificed himself "in the end of the world." 9:26
"As ye see the day approaching."
The approaching day was the return of Christ. 10:25
"For yet a little while, and he that shall come will come, and will not tarry." 10:37